Wiktionary
self-critical
a. Capable of criticize oneself; able to find mistakes and possibilities for improvement in one's own work.
Usage examples of "self-critical".
Yet, self-critical persons urged to become even more self-critical could be harmed.
For a brillant investigation of the development of self-critical beliefs at an early age, see Carol Dweck's studies of mastery-oriented thinking.
But, self-critical depressives relapsed when they failed at school or work.
Even 10 years or more after the divorce, Wallerstein and Blakeslee (1989) estimated that 41% of the children of divorce in their study were still doing poorly --underachieving, tense, insecure, self-critical, and/or angry.